
1.NBT.5
5. Given a twodigit number, mentally find 10 more or 10 less than the number, without having to count; explain the reasoning
used.


Use place value understanding and properties of operations to add and subtract.
2.NBT.5
5. Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relation
ship between addition and subtraction.



4.NBT.5
5. Multiply a whole number of up to four digits by a onedigit whole number, and multiply two twodigit numbers, using
strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations,
rectangular arrays, and/or area models.


5.NBT.5
5. Perform operations with multidigit whole numbers and with decimals to hundredths.
5. Fluently multiply multidigit whole numbers using the standard algorithm.

